Merge pull request #2352 from Owain94/gradle6.2repositories

gradle: improve repository searching speed

build.gradle.kts

@@ -68,9 +68,30 @@ subprojects {
             mavenLocal()
         jcenter()
         maven(url = "https://mvnrepository.com/artifact")
-        maven(url = "https://repo.runelite.net")
-        maven(url = "https://raw.githubusercontent.com/open-osrs/hosting/master")
         maven(url = "https://jitpack.io")
+
+        exclusiveContent {
+            forRepository {
+                maven {
+                    url = uri("https://repo.runelite.net")
+                }
+            }
+            filter {
+                includeGroup("net.runelite.rs")
+                includeModule("net.runelite", "discord")
+                includeModule("net.runelite", "orange-extensions")
+            }
+        }
+        exclusiveContent {
+            forRepository {
+                maven {
+                    url = uri("https://raw.githubusercontent.com/open-osrs/hosting/master")
+                }
+            }
+            filter {
+                includeModule("net.runelite", "fernflower")
+            }
+        }
     }
 
     apply<JavaLibraryPlugin>()